Question

when organism die .what process return their carbon back to atmosphere​

Answer 1

Answer:

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respiration

Organisms return carbon dioxide to the atmosphere by respiration . It is not just animals that respire. Plants and microorganisms do, too. Carbon dioxide is also released by combustion.

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Answer 2

Explanation:

Decomposers break down the dead organisms and return the carbon in their bodies to the atmosphere as carbon dioxide by respiration. In some conditions, decomposition is blocked. The plant and animal material may then be available as fossil fuel in the future for combustion.

Decomposition is the largest source through which carbon is returned to the atmosphere as carbon dioxide. Decomposers are microorganisms that live mostly in the soil but also in water, and which feed on the rotting remains of plants and animals.